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identity=mailfrom; envelope-from="miller@hamnavoe.com"; helo=balrog.mythic-beasts.com; client-ip=46.235.227.24 Received: from balrog.mythic-beasts.com (balrog.mythic-beasts.com [46.235.227.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by tb-mx1.topicbox.com (Postfix) with ESMTPS for <9fans@9fans.net>; Wed, 27 Oct 2021 06:55:10 -0400 (EDT) (envelope-from miller@hamnavoe.com) Received: from [88.97.27.83] (port=56496 helo=hamnavoe.com) by balrog.mythic-beasts.com with esmtpsa (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.92.3) (envelope-from ) id 1mfgaH-0007fD-Px for 9fans@9fans.net; Wed, 27 Oct 2021 11:55:10 +0100 Message-ID: <811fe89f74db52b9e1eaee440967c8dd@hamnavoe.com> To: 9fans@9fans.net Subject: Re: [9fans] v9fs vs mmap (not quite SOLVED) From: Richard Miller <9fans@hamnavoe.com> Date: Wed, 27 Oct 2021 11:55:04 +0100 In-Reply-To: <50a9b8bcab6aa57d4677bb3a7272c657@hamnavoe.com> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-BlackCat-Spam-Score: 1 Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: 5e3923c0-3714-11ec-8ddd-c15e8bfaeab4 Archived-At: =?UTF-8?B?PGh0dHBzOi8vOWZhbnMudG9waWNib3guY29tL2dyb3Vwcy85?= =?UTF-8?B?ZmFucy9UYjA2NWY0ZGY2N2E4YmFiOS1NYWI3ZjdlZjM4ZWJlNWZkZTRjNzli?= =?UTF-8?B?MGQxPg==?= List-Help: List-Id: "9fans" <9fans.9fans.net> List-Post: List-Software: Topicbox v0 List-Subscribe: Precedence: list Reply-To: 9fans <9fans@9fans.net> List-Unsubscribe: , Topicbox-Delivery-ID: 2:9fans:437d30aa-c441-11e9-8a57-d036212d11b0:522be890-2105-11eb-b15e-8d699134e1fa:Mab7f7ef38ebe5fde4c79b0d1:1:3EfExDNUIMcvNEGyza-9TRqxsaZJPmMi7VNlqxBWrlk > Skip, did you specify -o cache=3Dmmap when mounting diod service > for the go build experiment? I tried it myself using local diod and cache=3Dmmap. I get a similar SIGBUS on instruction fetch again. Conclusion: as Bakul says, now I'm debugging linux. Not going there, thanks. Going further off-topic for 9fans, sorry: I thought it would be clever to update the linux client to a newer kernel (4.19 was the latest I could find for debian 9). That didn't go well: booting the new kernel fails with the message Failed to find cpu0 device node Does anyone know if it's feasible to do an out-of-tree build of v9fs kernel modules (9p, 9pnet?) from current source [where is it?] and use them with my old 4.9 kernel? ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/Tb065f4df67a8bab9-Mab7f7= ef38ebe5fde4c79b0d1 Delivery options: https://9fans.topicbox.com/groups/9fans/subscription